{"id":"F2006B03829","name":"AD/BEECH 35/3 - Aileron Control Chain","slug":"ad-beech-35-3-aileron-control-chain","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43425,"registerId":"commonwealth-F2006B03829-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 35/3 - Aileron Control Chain","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Beechcraft 35 (Bonanza) Series Aeroplanes\n\n \n\nAD/BEECH 35/3 Aileron Control Chain NK\n\nApplicability: Model 35 except as noted in Requirement Document. Requirement:  Action in accordance with Beechcraft SB Model 35 -No. 8.\n\nNote: FAA AD 49-4-1 refers.\n\n \n\nCompliance: Forthwith.\n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The AD text provides a single corrective requirement for Beechcraft Model 35 aeroplanes and references the manufacturer’s service bulletin for the technical procedure. The instrument itself does not indicate any amendment to, or narrowing/widening of, a prior AD’s scope in the text provided. There is no statement in this AD that the applicable scope has been changed from an earlier instrument; operators must check the referenced Requirement Document and the Beechcraft service bulletin for any exceptions or clarifying applicability."},"complexity_factors":["Short, narrowly targeted directive with a single technical focus (aileron control chain) — lowers intrinsic complexity.","Explicit reliance on an external document (Beechcraft SB Model 35 - No. 8) for the detailed procedure — increases implementation complexity because readers must obtain and interpret that bulletin. (Requirement)","Immediate compliance requirement (\"Forthwith\") raises operational complexity for scheduling and logistics. (Compliance)","Cross-reference to an FAA AD (FAA AD 49-4-1) introduces a secondary reference trail for technical or historical detail. (Note)","Applicability phrase includes an exception clause (\"except as noted in Requirement Document\") which requires operators to check additional documents to determine exact applicability. (Applicability)","AD text omits specific steps, parts, or certification record requirements — implementers must rely on maintenance providers and the service bulletin for those details. (Requirement)"],"plain_english_summary":"**What this instrument does (mechanically)**\n\n- This is an airworthiness directive (AD) issued under the Civil Aviation Regulations schedule of ADs that requires operators of Beechcraft Model 35 aeroplanes to carry out a specific action on the aileron control chain. (Applicability; Requirement)\n- The required work is to be done \"in accordance with Beechcraft SB Model 35 - No. 8,\" meaning the AD mandates following the manufacturer's service bulletin for the precise procedure. (Requirement)\n- The AD must be complied with immediately — the compliance time is stated as \"Forthwith.\" (Compliance)\n- The AD text notes a related FAA airworthiness directive (FAA AD 49-4-1), indicating a corresponding regulatory action by the US authority. (Note)\n\n**Who is affected and who decides**\n\n- Owners and operators of Beechcraft Model 35 aeroplanes are directly affected because they must ensure the required action is carried out on the aircraft they operate or manage. (Applicability; Requirement)\n- The Civil Aviation Safety Authority (CASA), via the schedule of ADs, is the issuing regulator that determines the AD applies and requires compliance. The manufacturer’s service bulletin (Beechcraft SB Model 35 - No. 8) provides the procedural details that operators must follow. (Requirement)\n\n**Who pays and what changes in behaviour**\n\n- The immediate financial and operational burden falls on aircraft owners/operators: they must fund labour, parts, and any downtime necessary to carry out the service-bulletin action. (Requirement; Compliance)\n- Maintenance organisations or certificated mechanics will perform the work, so some business (aircraft maintenance providers) will incur activity and revenue from complying work. (Requirement)\n- Because the AD requires action \"Forthwith,\" aircraft may be grounded or removed from service until the work is completed, altering scheduling and use of the aircraft. (Compliance)\n\n**Incentives, trade-offs and compliance burden**\n\n- Incentive to comply is regulatory: aircraft must meet AD requirements to remain airworthy and legally operated. (Applicability; Requirement)\n- The AD refers operators to a procedure set by the manufacturer rather than specifying the technical steps in the AD itself. That lowers the AD’s procedural detail but increases dependence on availability and clarity of the manufacturer’s service bulletin. (Requirement)\n- Immediate compliance (\"Forthwith\") raises short-term operational costs and scheduling pressure for operators; it may also raise demand for skilled maintenance labour and any replacement parts specified by the service bulletin. (Compliance; Requirement)\n\n**Implementation risk and discretion**\n\n- The AD leaves technical execution to the manufacturer's service bulletin; CASA enforces the requirement but does not set the technical method in the AD text. This allocates substantive technical discretion to the manufacturer’s published procedure. (Requirement)\n- If parts, qualified personnel, or the bulletin itself are not readily available, operators face implementation delays or extra cost to source them. (Requirement)\n- The AD cross-references an FAA AD, which may be used by operators and maintenance personnel for further technical or historical context, but the text itself contains no alternative compliance pathway. (Note)\n\n**Concentrated benefits and costs**\n\n- Benefits (reduced risk from the identified aileron control chain issue) accrue directly to the aircraft owners/operators and to passengers and pilots using those aircraft; those benefits are concentrated on the users of Model 35 aircraft. (Applicability; Requirement)\n- Costs (inspection/repair costs, downtime) are concentrated on the same owners/operators and on maintenance providers who must do the work. The broader flying public or unrelated businesses do not bear direct costs under the AD. (Requirement; Compliance)\n\n**Scope and limits in the AD text**\n\n- The AD applies to \"Model 35 except as noted in Requirement Document,\" so operators must check the referenced Requirement Document and Beechcraft SB to determine if any serial-number or configuration exceptions apply. (Applicability; Requirement)\n- The AD does not set a specific timescale beyond \"Forthwith,\" nor does it give the detailed technical remedy in the AD itself; those details are in the referenced Beechcraft service bulletin. (Requirement; Compliance)\n\n(References: Applicability; Requirement; Note; Compliance)"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical component on a specific aircraft model. It maintains its original narrow scope — mandating immediate inspection/replacement of aileron control chains on Beechcraft 35 aircraft. No scope creep evident."},"complexity_factors":["Extremely short document (under 150 words)","Only 1 defined applicability criterion (Model 35 with exceptions)","Single compliance requirement referencing external document (Beechcraft SB No. 8)","No nested conditional logic or exceptions within the text itself","No internal cross-references to other sections of legislation","Relies entirely on external technical document for actual implementation details"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** issued by Australia's Civil Aviation Safety Authority (CASA) that applies to **Beechcraft 35 (Bonanza) series aeroplanes**.\n\n**What it does:**\n- Requires owners/operators of these aircraft to inspect or replace the **aileron control chain** (a critical component that helps steer the plane by moving the wing flaps called ailerons)\n- The work must be done following **Beechcraft Service Bulletin No. 8** for Model 35 aircraft\n\n**Who it affects:**\n- Owners and operators of Beechcraft Model 35 aircraft (except those specifically excluded in the original Beechcraft documentation)\n\n**Why it matters:**\n- **Safety-critical:** A failed aileron control chain could cause loss of roll control, potentially leading to loss of the aircraft\n- **Immediate action required:** \"Forthwith\" means do this **immediately** — before next flight\n- This directive references an older American FAA directive (AD 49-4-1), indicating this addresses a known historical safety issue\n\n**In short:** If you fly or own a Beechcraft Bonanza Model 35, you must immediately check/fix your aileron control chain per the manufacturer's instructions."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-35-3-aileron-control-chain","history":"/api/acts/ad-beech-35-3-aileron-control-chain/history","analysis":"/api/acts/ad-beech-35-3-aileron-control-chain/analysis","conflicts":"/api/acts/ad-beech-35-3-aileron-control-chain/conflicts","importantCases":"/api/acts/ad-beech-35-3-aileron-control-chain/important-cases","documents":"/api/acts/ad-beech-35-3-aileron-control-chain/documents"}}